The Nasdaq exchange smashed its 15-year-old record on Wall Street last night, breaking through the old mark set at the peak of the dot-com boom in 2000.

The Nasdaq Composite Index added 0.42% (20.89 points) to finish at 5,056.06, finally making up all the nearly 4,000 points lost in a stunning crash that followed the previous closing mark of 5,048.62 set on March 10, 2000. 

Among leading Nasdaq names, Apple rose 0.8%, Google gained 1.4%  and Biogen tacked on 1.6% last night. 

But Facebook slid 2.6% as net income in the first quarter plunged 20% to $509m, amid hefty increases in spending on research and share-based compensation