Investors Are Watching : Amazon.com, Inc. (NASDAQ:AMZN), Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR), Potash Corp. of Saskatchewan, Inc. (NYSE:POT), Facebook (NASDAQ:FB), TSLA

Amazon.com Inc. (NASDAQ:AMZN) announced its projection regarding sales and profit for the fourth fiscal quarter, which came below initial analysts’ estimates. The company’s forecast also highlighted the limits of its Chief Executive Officer Jeff Bezos’ strategy to make large investments in order to boost Amazon’s growth. Amazon.com, Inc. (NASDAQ:AMZN) in last trading activity increased 0.07% to close at $313.18. Company weekly performance is 3.41% while its quarterly performance stands at -3.34%. Amazon.com, Inc. (NASDAQ:AMZN) is -23.25% away from its 52 week high.Brazilian state-run energy giant Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR) is expected to release its third-quarter 2014 results on Friday, Oct 24. In the preceding three-month period, Petrobras delivered a negative 25.00% earnings surprise - the third underperformance in the last 4 quarters - hampered by higher exploration expenses. Moreover, cap on pump prices, fixed by the government, impacted the company's profit considerably. Let's see how things are shaping up for this announcement. On last trading day Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR) decreased -5.61% to close at $12.11. Its volatility for the week is 5.45% while volatility for the month is 5.49%. PBR's sales growth for past 5 years was 3.60% and its EPS growth for past 5 years was -16.90%. Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR) monthly performance is -24.45%.Potash Corp. of Saskatchewan Inc. (NYSE:POT) expects global demand for potash fertilizer to hold steady with this year’s level, despite sliding crop prices that are expected to crimp farmers’ incomes, executives said Thursday. Potash Corp. of Saskatchewan, Inc. (NYSE:POT) in last trading activity fell -0.73% to close at $32.54. Company weekly performance is 2.65% while its quarterly performance stands at -9.84%. Potash Corp. of Saskatchewan, Inc. (NYSE:POT) is -13.97% away from its 52 week high.Facebook Inc. (NASDAQ:FB) on Thursday released an application that lets people create virtual “rooms” to chat about whatever they wish using any name they would like. “Rooms” software introduced in the US and Britain for iPhone made its debut as Facebook tries to make peace with people unhappy that real identities are mandated for profiles at the world’s leading social network. Facebook Inc (NASDAQ:FB) has 0.40% insider ownership while its institutional ownership stands at 66.10%. In last trading activity company's stock closed at $80.04.Electric car manufacturer Tesla Motors Inc (NASDAQ:TSLA) is planning to introduce a scheme to buy back its vehicles from owners and resell them, a step being viewed as a means to generate new income for the company, Shanghai's National Business Daily reports. Tesla Motors Inc (NASDAQ:TSLA) in last trading activity advanced 1.81% to close at $235.29. Company weekly performance is 3.95% while its quarterly performance stands at 5.24%. Tesla Motors Inc (NASDAQ:TSLA) is -19.26% away from its 52 week high.