European stocks are experiencing an incredible run: The Stoxx 600 index has gained for 7 consecutive months, the longest streak since 2013. This is also the 2nd-best run this century and one of the strongest in 40 years. During the streak, the index has rallied +14.4%. The run has been fueled by mining stocks, with the Stoxx Basic Resources index surging +65.6%. Banking stocks have followed, with the Stoxx Banks index soaring +39.9%. Is Europe's economy finally starting to gain momentum?