STOCKHOLM, Nov 8 (Reuters) - EQT AB
* Says EQT Expansion Capital II fund and René Marius Köhler sell its entire investment in e-commerce company Internetstores to SIGNA Retail
* Says management to stay, Markus Winter becomes CEO and founder René Marius Köhler becomes chairman of the board
* Says Internetstores employs about 400 people in Esslingen am Neckar, Berlin and Stockholm (Reporting by Bjorn Rundstrom)
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