Stock market news, Oct. 14 -- Benchmark indices Sensex and Nifty 50 witnessed a downturn on Monday, driven by sell-offs in IT and FMCG stocks and a negative trend in global markets following US President Donald Trump's announcement of an extra 100 per cent tariff on Chinese goods effective November 1.

The 30-share BSE Sensex fell by 173.77 points or 0.21 per cent, closing at 82,327.05 and breaking its two-day winning streak. After starting with a gap down, it plunged 457.68 points or 0.55 per cent to a low of 82,043.14. Nevertheless, strength shown by banking and financial sectors helped to mitigate the decline in the latter part of the trading session.

Nifty 50 decreased by 58 points or 0.23 per cent, ending at 25,227.35, with 30 of it...