Germany's Dax set for 9th weekly gain on euro boost
* Dax set for longest streak of weekly gains since 1998
* Index up 0.1 pct; FTSEurofirst also up 0.1 pct
* Commerzbank in relief bounce after fine
* Sabadell falls as TSB bid raises risk of cap hike
By Francesco Canepa
LONDON, March 13 (Reuters) - Germany's Dax index was set for its longest streak of weekly gains since 1998 on Friday as traders added to their bets on an economic recovery in the euro zone, aided by a weak euro.
Euro zone indexes were flat to slightly higher, taking a breather after a week that saw them outperform their U.S. counterparts sharply as the single currency hit a 12-year low against the dollar.
The DAX, up 0.1 percent at 0856 GMT, was up 2.3 percent on the week and set for its ninth consecutive weekly gain, the longest winning streak in 17 years.
Commerzbank was the top riser on the index as it rose 3.4 percent, with traders citing relief that a U.S. fine announced on the previous day was in line with market expectations. Continuación...