Action... Reaction

 In stock market, the price movement is influenced by variety of factors like:

• company specific news
• sector specific news
• Macro news on overall economy
• Global factors like Geopolitical tensions

While all these factors are the tradional reasons for moving a share price, sometimes simple shift in buyer - seller demand can move the needle.

But whatever said and done, it is ultimately the fundamentals that dictate the stock price. 

If a stock price is running up but the fundamentals are not supportive, when the results are declared and is subdued - then the price crashes. Below mentioned screen shot is an evidence of the same. 

Having invested your hard earned money, you need to be mindful of the fact that - THE MOST IMPORTANT THING while investing is to keep an eye on the results of the companies in which you invested in.