Group 1 - The stock market experienced a sharp decline early Friday, but a significant afternoon buying wave helped major indexes recover from lows [3]. - Arm Holdings (ARM) saw a notable drop this past week, triggering a sell signal and breaching a critical support level, which may indicate a potential rebound opportunity for investors [2]. - Arm Holdings is highlighted as Investor's Business Daily's IPO Stock of the Week, reflecting its status as a member of IBD's IPO Leaders screen [2]. Group 2 - The stock market's fluctuations were influenced by external factors, including a government shutdown offer and tariff setbacks related to Trump, which affected various sectors [5]. - Arm Holdings demonstrated improved stock performance with a rise in its relative strength rating to 82, indicating potential for a fresh run [5]. - The overall market saw a recovery in sectors such as biotech and gold stocks, despite the initial downturn [5].