Investing is a fascinating game in a sense that no formula ever works all the time. There is no "Bao Jia" or sure wins. There are no programmable solutions, no absolutes and we must always break the rules to win. There is also no such thing as never. Warren Buffett himself broke his own rules so many times, in order to win. He said he would never buy tech stocks, yet he bought IBM and Apple.  He concluded airlines won't make their cost of capital, yet he bought airlines!   Airlines, the one industry that was guaranteed to lose money! How to be a millionaire? First, make a billion dollars and then buy an airline! That's the infamous running joke in investment circles for decades. To ward off that taboo, Vietnam's most famous LCC (low cost carrier) airline deployed the auspicious red color and bikini girls to market itself. So ......