News by: Himanshu Singh
And major central banks tear up interest rate plans as market turmoil forces them into reverse.
And the Independent is closing its daily and Sunday newspapers, ending their 30-year spell as campaigning voices in UK media.
Stocks pared losses late in the session after reports OPEC was ready to cooperate on crude oil production cuts, citing the UAE energy minister.
And Rio Tinto chief has warned miners to prepare themselves for extended downturn.
And Yellen hinted further rate rises on hold amid plunging markets but refused to rule out return to modest increases.
S&P 500 ends flat as investors digested comments by Yellen, who kept options open for more rate increases but also saw risks to the US economy.
And a fall in Deutsche Bank's shares pushed the lender's boss and even the German finance minister to step in to reassure investors.
A late-day rally led by materials and healthcare shares offset another big drop in oil prices.
And the boss of Google, Sundar Pichai, has been awarded $199 million worth of shares, making him the highest paid chief executive in the US.
Mining and banking stocks drove the S&P 500 to its lowest close since April 2014, even as energy producers erased losses.
And large US firms such as Google and Amazon will be required to disclose tax bills in Europe under draft legislation from European commission.
Japan's NIkkei 225 retraced losses of as much as 1.50% at market open to trade flat, but it may still face a sixth consecutive session of losses.
And Rolls-Royce is due to stun the stock market by issuing its sixth profit downgrade in two years.
And Bank of International Settlements has warned that oil market spiral threatens to prick global debt bubble.
And the US dollar has suffered one of the sharpest drops in 20 years as the Federal Reserve signals a retreat from monetary tightening.
But disappointing forecasts from retailers and anxiety ahead of Friday's jobs report limited the advance.
And Lloyds Banking Group to cut 1,755 jobs and close 29 branches as the lender is looking to lower costs to prepare for privatisation.
Alphabet shares tumbled 4% and the company moved back below Apple in market capitalisation.
And Yahoo cutting workforce by 15% after announcing $4.4 billion loss and is expected to lead to the sale of parts of its business.
Shares of Exxon plunged 2.2% after the oil major reported its smallest quarterly profit in more than a decade.