* UniCredit lifts stake in Commerzbank to 21% Financial Times
* UniCredit Raises Commerzbank Stake to 21% Amid Berlin Opposition Bloomberg
* Europe’s Banks Are Takeover Targets. How to Invest. Barron's
* UniCredit defies Germany using derivatives to get 21% Commerzbank stake Reuters
* Andrea Orcel, Commerzbank and the redemption trade Financial Times
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