ASX 200 slides; Origin Energy hammered as gas cap; Tyro dives as takeover talks end

Utilities lead broad falls as investors dump Origin Energy; Tyro dives as takeover talks end; Woodside gains on oil rally and St Barbara to merge with Genesis.

Inflation, rate hike decisions and economic growth are set to drive investor sentiment this week. Picture: David Swift

Welcome to the Trading Day blog for Monday, December 12. The Australian sharemarket edged lower as utilities and materials led a broad-based sell-off.

The S&P/ASX 200 fell 0.5 per cent to 7180.80, with seven of the 11 index sectors in the red.

On Wall Street, the S&P 500 closed 0.7 per cent lower on Friday, the technology-focused Nasdaq index shed 0.7 per cent and the Dow Jones Industrial Average closed 0.9 per cent lower.

US 10-year bond yields rose to 3.59 per cent and the two-year yields lifted to 4.34 per cent.

The dollar was buying US67.75c at the close.