* Says Alpha Bank sells its 97.3 percent stake in
the company to Home Holdings SA for 142 million euros ($155.09
ATHENS, Aug 30 Alpha Bank, Greece's
fourth-largest lender by assets, widened its loss in the second
quarter after booking higher provisions for impaired loans.
* Affirmed rating of Greek covered bonds issued by Alpha
Bank AE, national bank of Greece S.A. And Piraeus Bank S.A.