LONDON—Global stocks broke a four-day slide on Wednesday and demand for safe-haven assets waned, with investors waiting to see Russian President Vladimir Putin’s next move after he sent troops into separatist regions of Ukraine. The initial push to send soldiers to Donetsk and Luhansk this week triggered coordinated, yet modest sanctions from Western countries, albeit with the prospect of more to come if Moscow seeks to push further into the country. After chalking up a 3.6 percent fall since last Friday, the MSCI World Index, a leading gauge of equity markets globally, extended gains to trade 0.3 percent higher in Europe, helped by broad gains across regional bourses. The FTSE 100 was up 0.7 percent and the pan-European STOXX Europe 600 index rose 1.1 percent, bolstered by strong company earnings, including from automaker Stellantis. Earlier, MSCI’s index of Asia-Pacific shares outside Japan rose 0.4 percent. S&P 500 stock futures pointed …