Last week, Deutsche Bank called an end to the fast-fashion boom, recommending investors sell shares of Zara-owned Inditex and H&M Group, and labeling the owner of Primark as one of its “least preferred” retail stocks. Fast fashion has been on a tear the last few years (or last few decades, depending on how you look at it). One analyst’s judgment is hardly a sign the end is nigh – Inditex shares are still up 50 percent this year, and…