USDINR closed at 66.33 against it's opening at 66.48.
Sensex ends flat, posts first weekly drop in three.
Yen spikes to 18-month peak, Amazon softens Apple blow.
U.S. economy stalls in first quarter as activity weakens broadly.
Oil prices dip on looming OPEC production rise.
Asia FX optimism eases with bearish yuan sentiment.