Read the prelude to this post here.

Please do respect my opinion; I'm just an Economics student-I'm still learning! :)

So here are the companies I think are the best to invest in (buy shares from) currently:
Only companies from NASDAQ have been listed: 
1)Alphabet , INC. Class A (NASDAQ:GOOGL)
Since Google's products have always done well and every now and then the Tech giant releases new products, there has been a great increase in its share price in the last three months.It can be foreseen that its share price will continue to increase due to captivating upcoming projects likely to attract investors.
Google's share price index
2)Paypal Holdings INC (NASDAQ:PYPL)
Paypal is now and has been a widely used online payment system.In the last three months, it has seen an increase in 13 USD/share and in the past year, 29 USD/share.With its steady increase in share prices, its  share prices will evidently continue increasing.
Paypal's share price index
3)Microsoft Corporation (NASDAQ:MSFT)
In the past year, Microsoft has raised its share price bar by a mere 10 USD/share.However, upcoming products such as the Cosmos DB and Azure will surely increase its share price by next year's first quarter.
Microsoft's share price index
4)NVIDIA Corporation (NASDAQ:NVDA)
With an increase of 40 USD/share in the past three months and an increase of 123 USD/share in the past year, NVIDIA has been making huge profits thereby increasing its share prices.It is estimated to reach around 210 USD/share by the end of the year.
NVIDIA's share price index
5)Apple Inc. (NASDAQ:AAPL)
After the grand number of products revealed in the September event, Apple ought to make huge profits with the iPhone 8, 8+, Watch series 3 and the much awaited and soon to come iPhone X will obviously increase share prices.
Apple's share price index
These are the 5 best companies to invest in right now.According to me...