BLAME it on the announcement to review the Minimum Alternate Tax (MAT). Or on the all-powerful god of the bourses, the Foreign Institutional Investors (FIIs). But the last two weeks of 1996, true to the spirit of the season, brought a measure of good cheer to the beleaguered stockmarkets. The Sensex crossed, before the markets closed for Christmas, the psychological barrier of 3,000, ushering in fervent hopes of a revival in the new year. Says Narendra Nagpal, senior equity analyst of BZW Asia: "It's more than likely that the markets will perk up in the first few months of 1997 after which the Union budget will decide its fate."