 APG Asset Management N.V. boosted its position in Weibo Corp NASDAQ:WB by 186.0 in the first quarter, HoldingsChannel.com reports. The institutional investor owned 18,760 shares of the information services providers stock after acquiring an additional 12,200 shares during the quarter. APG Asset Management N.V.s holdings in Weibo were worth 1,036,000 as of its most recent ... 