Bank of America billed last week as “the world economy’s most important week of the year,” but the stock market didn’t exactly reflect that. In fact, investors bracing for the worst came out of last week’s potentially damaging flow of news with nary a scratch as the S&P finished the stretch mostly flat. For those betting against Tesla, however, any reprieve could be short-lived, at least if what the boss had to say on Sunday is any indication.