Alibaba Group Holding Ltd. (NYSE: BABA) shares hit a high of $120 in the two months following the company's September 2014 IPO. But Barron's issued an Alibaba stock price prediction that sees BABA slipping from its current price near $63 all the way down to nearly $30 per share.he Alibaba stock price was down as much as 8.2% today after the Chinese e-commerce company had a weak earnings report. Shortly after the opening bell, Alibaba Group Holding Ltd. (NYSE: BABA) hit an all-time low of $71.03 per share.
The average value of surface pressure on Earth is 985hPa. This is in contrast to mean sea-level pressure, which involves the extrapolation of pressure to sea-level for locations above or below sea-level.
Determining Altitude. Since pressure varies with altitude, you can use a pressure sensor to measure altitude (with a few caveats). The average pressure of the atmosphere at sea level is 1013.25 hPa (or mbar). This drops off to zero as you climb towards the vacuum of space.