As a rule, I prefer to buy FTSE 100 stocks after they’ve fallen, rather than after they’ve just gone off like a rocket. Buying out-of-favour stocks feels safer to me. I know that’s a bit silly, because there’s often a good reason why nobody else will touch them. But it does make them cheaper, and potentially reduces some of the downside risk. I’m wary of buying momentum stocks because I hate coming late to the party. Chasing strong past performance feels like a rookie error. So I’m viewing the Anglo American (LSE: AAL) share price with extreme suspicion right now. The globally diversified mining giant is up a mighty 21.29% over the last week and 37.83% over one month. However, this is a sudden spike after a difficult run. Despite those strong figures, Anglo American’s up a relatively modest 8.38% over 12 months. I last reviewed the stock on 20 January, at a point when its shares were down 50% in a year. Earnings had been smashed by a combination of geopolitical uncertainty, higher energy prices, falling production, global supply chain issues and extreme weather. Higher input prices costs due to inflation hadn’t helped. I was also worried about China,...