It is difficult to specify a single way which you could term as the best way to monitor baidu stock prices as everyone would have their own preferences or their own ways of getting things done. There are several different ways of monitoring stock prices regardless of the company that you might be interested in investing in shares of.
The easiest way to monitor the bidu stock price would obviously be online as the vast majority of websites that provide financial news would obviously have stock prices however traditional methods like news channels on televisions can also be relied upon for day to day updates.
There is a clear advantage of referring to the Internet as you can do so at your own convenience as opposed to referring to televisions that may have their own schedules to list down stock prices and provide you information on how the stock market may be doing at the time.
If you refer to the Internet on the other hand then you can at any time of your choosing get to monitor share prices of baidu which may put you in a better position to determine what you should be doing at the time given that there are several methods that you could be investing your money in the stock market.