As Israel and Iran exchanged more attacks, stock markets mostly rose even as worries remained about possible oil supply interruptions.

Dow, S&P 500 and Nasdaq set for opening gains after Friday's 770-point blue-chip fall; Oil extends gain as gold slips. Follow along to the action on Monday aft

By Wayne Cole SYDNEY (Reuters) -Asian markets kept their nerve on Monday and oil prices climbed anew as the conflict between Israel and Iran showed no sign of cooling, adding geopolitical uncertainty to the world's economic troubles in a week packed with central bank meetings.

Oil stocks have been longtime favorites for investors seeking income. With lower oil prices causing many oil stocks to decline in recent months, their dividend yields have risen. A user on Reddit recently asked which oil stocks with attractive dividends are the best picks right now.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

Oil prices leaped, and stocks slumped on worries that escalating violence following Israel’s attack on Iranian nuclear and military targets could damage the flow of crude around the world, along with the global economy.

Halliburton is the third-largest oilfield services company in the world, so any time oil prices go up, it's a recipe for potential further investment by oil companies in exploration, completion, and production enhancement services.