Stocks in news: Bajaj Finance, Vedanta, L&T Finance, Hindustan Zinc, Star Health

Nifty surpasses 24,300 with bullish momentum. Key companies perform well: Bajaj Finance, Vedanta, L&T Finance. Hindustan Zinc focuses on silver production growth. Indiabulls Housing Finance rebrands to Sammaan Capital. Star Health targets doubling Gross Written Premium.