Feb. 21 (Bloomberg) -- United Co. Rusal, the world’s largest aluminum producer, led declines in the Moscow-based Micex Index as aluminum futures fell for a second day in Shanghai.

Rusal’s Russian depository receipts dropped 4.1 percent, the biggest intraday decline since Dec. 16, to 247.41 rubles by 12:24 p.m. in Moscow. The stock has gained about 26 percent this year.

Shares in the aluminum producer controlled by billionaire Oleg Deripaska fell 4 percent today to HK$6.45 in in Hong Kong.

--Editors: Torrey Clark, Brad Cook

To contact the reporter on this story: Yuliya Fedorinova in Moscow at yfedorinova@bloomberg.net

To contact the editor responsible for this story: John Viljoen at jviljoen@bloomberg.net