Several Nifty 500 stocks experienced significant gains last week, with Transformers Rectifiers leading the list with a 16.6% surge. Other notable performers included Force Motors, up 15%, and Hindustan Copper, which saw a 14% increase and marked its sixth consecutive week of gains. The broader Indian stock market, including the Nifty 50 and Nifty 500, also extended its winning streak, driven by rallies in banking and metal stocks.