Stocks to buy: M&M, Federal Bank and Pfizer India on investors' radar

Benchmark BSE Sensex rebounded 147 points, breaking its five-day decline with gains in financial and FMCG shares. Key stocks: M&M rose by 2%, Federal Bank fell by 1.7%, and Pfizer India decreased by 1.2%. Analysts recommend buying M&M and Federal Bank at dips due to their long-term prospects, while Pfizer India offers promising upside.