Stocks in news: Cochin Shipyard, Voltas, Patanjali Foods, and PhysicsWallah

Indian stock markets experienced a range-bound week with minor losses for Sensex and Nifty. Analysts are watching four key factors that will influence Dalal Street's action this week. Cochin Shipyard reported a profit decline, while Voltas saw a significant profit surge. Patanjali Foods and Kwality Wall's also posted profit increases. PhysicsWallah narrowed its net loss, and NMDC reported a profit rise.