Online giant Amazon is said to be venturing into yet another market - smartphones.

Facebook’s stock price has risen after chief executive Mark Zuckerberg said he is addressing the missteps that have made it hard to reap the benefits of mobile advertising.

Facebook’s stock hit a new low today after it reported second-quarter results that disappointed investors.

AMAZON.COM, the world’s largest online retailer, reported profit and sales that beat analysts’ estimates after its Kindle e-reader and digital-media services helped fuel growth. The shares jumped in late trading.