I did too, I bought additional shares and plan to continue to buy at current or lower levels.  I have done so for the same reasons as you, a hedge in case the earnings are better, but not as much that I could not buy more if earnings were weak. 

BTW, the latest news on Nokia's HERE mapping software is that German Auto-makers are readying a bid for the unit.  NOK's chairman is taking a tough stand/bluffing as he said NOK does not need to sell it, i.e. if the price is not right ...