Dec 30 (Reuters) - Sri Lankan shares closed higher on Thursday as strong gains in the consumer discretionary sector countered losses in energy stocks.

* The CSE All-Share index, which is set for its best year since 2010, rose 0.88% to 12,019.75 points at the closing bell.

* Investment vehicle Browns Investments Plc was the top boost to the index, gaining 4.3%. Financial services provider Senkadagala Finance Plc rebounded after three sessions of sharp losses to add 17.3%.

* The equity market's turnover was 6.46 billion Sri Lankan rupees ($31.86 million), according to stock exchange data https://www.cse.lk/pages/daily-market-summary/daily-market-summary.component.html.

* Trading volume dropped to 509.5 million shares, from 809.4 million shares in the previous session.

* Foreign investors were net sellers in the equity market, offloading shares worth 245.3 million rupees, as per exchange data.

* The island-nation has reported 586,183 coronavirus cases and 14,944 deaths, as of Thursday, data from the country's health bureau showed https://bit.ly/3rFnGyb.

* About 63.46% of Sri Lanka's population has been fully vaccinated, according to data from Johns Hopkins University https://coronavirus.jhu.edu/region/sri-lanka.

* For a report on global markets, click ($1 = 202.7500 Sri Lankan rupees) (Reporting by Shivani Singh in Bengaluru; editing by Aditya Soni)