Birkenstock BIRK Shares Surge 33 on 250 Million Share Buyback Announcement Marvell Technology Eyes Key Catalyst Ahead of May 27 Event Analyst Sentiment and Market Positioning AIInfrastructure and Energy Basket Outperforms Nvidia Doubling Investor Returns Q4 Earnings Season Intensifies Hitachi Energy Suzlon RVNL and Others Set to Report Quarterly Results US Productivity Growth Slows in Q4 as Unit Labor Costs Rise Tower Semiconductor Attracts Analyst Optimism Following Strong Q1 Performance and Expansion Plans JhunjhunwalaPartnered Fund Acquires Stake in Tourism Finance Corporation of India MD Discusses Business Outlook