Before buying any share check last quarter profit/loss of that company
Do not buy in bulk at start. Start with 10 stocks and then study and analyse and then proceed with big figures(Slow and steady wins the race). Do not invest your family savings to fulfill your previous losses and fulfill desires.
Get the weekly statement from brokers of your stocks to make sure you are up to date with stock market world. Maintain a ledger book for profit and loss.
Analyse the catastrophic, political events and cultural events before trades. They have great impact on stock market.