Based on Wall Street's reaction to Halliburton's (NYSE: HAL) most recent earnings report, one would think that the report was littered with red flags. That wasn't the case, though, as its earnings result was right in line with expectations. However, management did let investors know that the rest of 2018 will be a little tougher, which led to the 8% drop. Was the announcement that earnings for the next quarter will be flat enough of a reason to send shares tanking the way they did?