"The central bank may have been intervening in these markets in small measures in the past too, but Friday's action was quite loud," said a senior currency dealer requesting anonymity.
The Sensex fell nearly 2,000 points, as foreign investors liquidated their investments for safe haven assets such as US bonds. As prices of bonds rise, yields fall.
Volatility continued to grip the markets amid investor concerns over the global coronavirus outbreak
The S&P index recorded two new 52-week highs and 135 new lows, while the Nasdaq recorded eight new highs and 415 new lows.
The pound fluctuated close to its strongest level since May
During the reporting month, the Reserve Bank had purchased $1.592 billion but sold $1.685 billion in the spot market
Inside the White House, hawks have been pushing for a direct intervention in currency markets by the Treasury by pointing to a slowdown in US manufacturing
China has sought to elevate the role of its currency, the renminbi, to reflect its stature as a world power
Total allocated reserves increased to $10.71 trillion in the third quarter from $10.51 trillion in the previous quarter
The US exerts unprecedented control over global economic activity
The strong greenback hasn't led to a shortage. Yet
Rise in metals leads mining shares higher; euro weakens
Lower yields help gold prices by reducing the opportunity cost of holding non-yielding bullion
Dollar was 0.1% higher at 111.85 yen after a bounce to 112.050 yen, its highest in a week
With more than 90% of the S&P 500 having reported
Banks dragged European shares slightly lower following underwhelming results from Swiss major UBS
The dollar index rose to 103.820, its highest since Dec 2002
The US dollar climbed against most major currencies as economic data from the country came out better than expected
Crude oil and US stock prices are down
Dollar traders are playing catch-up with the Federal Reserve