Add punctuation: National market share is 08 percent market share in the Urals region is 5 percent and in Yekaterinburg 20 percent
A: National market share is 0.8 percent, market share in the Urals region is 5 percent and in Yekaterinburg 20 percent.

Add punctuation: Molybdenum prevents corrosion in stainless steels and when mixed with iron the Molybdenum also strengthens and hardens into austenite
A: Molybdenum prevents corrosion in stainless steels, and when mixed with iron, the Molybdenum also strengthens and hardens into austenite.

Add punctuation: Amazon Prime Day breaks records for sales Prime signups xComputer
A:
Amazon Prime Day breaks records for sales, Prime signups | xComputer