Indian equities posted their best gains in three quarters in October-December, defying a slowing economy and global worries.Select large caps helped the benchmarks scale new peaks with the Nifty 50 Index rising 6 percent in the quarter ended December. The broader market rebounded after two years. The Nifty Midcap 100 and Nifty Smallcap 100 indices gained close to 6.7 percent and 4.3 percent, respectively, during the period—the best i...