Over 15 Nifty 500 stocks tumble 10–18% last week; Transformers & Rectifiers hit hard by Live mint | January 11, 2026 11:04 am | Indian Stocks, Market, News Seventeen Nifty 500 stocks, including Transformers & Rectifiers and Elecon Engineering. The Nifty 50 declined 2.45%, marking its worst week in over three months.