Kmart — the first “big box” style department store in Manteca — is closing.The Manteca store was on the latest list of 72 stores added Tuesday to an existing list of Kmart and Sears stores owned by Sears Holding Co. It means the once dominate Sears brand will be closing more than 250 stores nationwide. It will bring their store count down to around 1,200 compared to 2,073 Sears and Kmart locations in 2012.The Manteca store is among those tentatively targeted to close by September.Wall Street investors have repeatedly criticized Sears for failing to keep stores fresh and up-to-date in terms of the interior and retail offerings.