Jan 4 (Reuters) - Sri Lankan shares hit an all-time high on Tuesday, and marked their fifth straight session of gains, boosted by financial stocks. * The CSE All-Share index (.CSE) climbed 1.4% to 12,800.54. The index started 2022 with sharp gains on Monday after recording an 80% surge last year. The index"s winning streak is the longest since late October, when it gained for eight consecutive sessions. * Equities around the globe have seen a positive start to the year as investors brushed aside concerns that the Omicron variant of the coronavirus could derail economic recovery. * In Colombo, financial solutions provider LOLC Finance (LOLF.CM) and conglomerate LOLC Holdings (LOLC.CM) were the biggest boosts to the index, rising 13.1% and 6.7%, respectively. * The equity market"s turnover was 10.81 billion Sri Lankan rupees ($53.32 million) on Tuesday, according to stock exchange data. * Trading volume rose to 806.4 million shares, from 773.9 million shares in the previous session. * Foreign investors were net sellers in the equity market, offloading shares worth 709.3 million rupees, exchange data showed. * Sri Lanka has reported 588,300 coronavirus cases and 15,037 deaths, as of Monday, data from the country"s health bureau showed. * About 63.51% of Sri Lanka"s population has been fully vaccinated, according to data from Johns Hopkins University. * For a report on global markets, click ($1 = 202.7500 Sri Lankan rupees)