Rasa Industries,Ltd. <4022> - Rasa Industries shares extended gains for a fourth consecutive session, surging over 23% to the 2,600 yen range to hit its daily limit-up. The stock broke through its year-to-date high of 2,638 yen set on May 12 to enter uncharted territory for the first time in three weeks. The company's flagship high-purity phosphoric acid commands the world's leading market share, seeing robust demand as an ultra-low impurity etching material for semiconductor wafers. Its strong footprint in Asian markets has drawn interest from major foreign and domestic institutional investors, given Rasa's role as a top supplier to TSMC . As June trading commenced, short-covering appeared to ignite, squeezing short positions accumulated by multiple foreign brokerages.

TerraSky Co.,Ltd <3915> - TerraSky shares surged in late morning trading to hit their daily limit-up. At around 11:00 a.m. on June 3, the company announced that its group firm Quemix, collaborating with Honda R&D?the R&D arm of HONDA MOTOR CO., LTD. <7267>?successfully developed a quantum algorithm that exponentially accelerates calculations for Density Functional Theory (DFT), a core technology in materials digital transformation (DX). The news sparked heavy buying, with the algorithm expected to fast-track new materials development at Honda R&D.

ST HD Co., Ltd. <2685> - ST HD shares jumped sharply, hitting a new year-to-date high. The retailer's May monthly sales report, released after the close on June 2, showed same-store sales rose 6.1% year-on-year for a fifth consecutive month of growth, driving positive market sentiment. The company estimated that two extra holidays added 3.3 percentage points to growth, while unseasonably warm weather boosted summer merchandise sales. A member-only 20% point reward campaign on May 13-21, backed by TV commercials, further drove gains. Total sales across all stores increased 8.2% year-on-year.

IBIDEN CO.,LTD. <4062> - IBIDEN shares rebounded significantly for the first time in three days, maintaining a steep uptrend along its 5-day moving average despite intermittent consolidations. As the world's leading manufacturer of semiconductor package substrates, IBIDEN is a primary beneficiary of AI infrastructure spending. While the company has historically relied on Intel Corporation CPU substrates as its core revenue driver, demand for substrates catering to Nvidia Corporation GPUs in AI servers has recently overtaken PC and general-purpose server CPU demand, propelling earnings into a high-growth phase. Moreover, as the primary generative AI focus shifts to inference, demand for high-processing-speed CPUs is also recovering, expanding profit opportunities and prompting institutional investors to increasingly buy into the stock. For the fiscal year ending March 2027, IBIDEN forecasts an operating profit of 90 billion yen, up 45% year-on-year. On the supply-demand front, a recent spike in short-selling via Barclays Securities' stock lending market has set the stage for short-covering to accelerate the rally.

AI storm Co., Ltd. <3719> - AI storm shares climbed significantly after announcing a basic agreement on June 2 for a business alliance with IKUYO CO.,LTD. <7273>. The partnership will focus on the joint development of next-generation AI data centers, autonomous driving field trials, and renewable energy utilization, driving positive market sentiment. The alliance pairs IKUYO’s manufacturing infrastructure?including factory sites and energy capacity?with AI storm’s proprietary AI technology and data processing expertise to build sustainable AI infrastructure and next-generation mobility solutions.

Datasection Inc. <3905> - Datasection shares hit their daily limit-up. Amid a generally sluggish Tokyo Stock Exchange Growth Market, Datasection had tumbled to its daily limit-down the previous day due to risk-off sentiment, but rebounded sharply on bargain hunting. A large shareholding report filed on June 2 revealed that Hong Kong-based activist fund Oasis Management built a 9.76% stake in the company, clearing the 5% disclosure threshold by a wide margin. While Oasis stated the purpose of ownership as "pure investment," the disclosure fueled speculation over medium-term corporate value enhancements, lifting the stock.

*This may contain unconfirmed information. Please make your own investment decisions at your own risk.

Source: MINKABU PRESS

*Translated by generative AI. Click here for the original article.