Stock Market Movers: 10 Biggest Gainers and Losers – 19 October 2026
Mosaic Company (MOS) fell 4.89%, Telkom Indonesia (TLK) dropped 5.26%, Medical Properties Trust (MPT) hit a 52-week low, and Sunrun Inc. (RUN) declined 5.62% on Monday. MOS and RUN are awaiting Q3 earnings. TLK faces potential MSCI index exclusion, and MPT lacks buying catalysts.






