Mairs & Power Inc. boosted its holdings in JPMorgan Chase & Co. (NYSE:JPM) by 2.5% in the fourth quarter, HoldingsChannel.com reports. The firm owned 1,727,101 shares of the financial services provider’s stock after buying an additional 41,810 shares during the quarter. JPMorgan Chase & Co. comprises about 3.1% of Mairs & Power Inc.’s investment portfolio, […]