SABMiller's stock price jumped 6.5% yesterday (peaking up 11%) after Guilherme Barros, a Brazilian journalist, posted on his blog at IG that a deal was in the works with AB Inbev. Later in the day, after analysts poured some cold water on the deal (see below), Guilherme was undeterred, posting again that the deal was imminent and noting that SABMiller's stock had spiked on the news.