Gold, silver,petrol rate khn sy dekhty h? Authentic sources kya h jo market ma follow hori hoti?

Yr kiso kuch idea h k Gold, silver,petrol rate khn sy dekhty h? Authentic sources kya h jo market ma follow hori hoti? Aesy hee bss janna h muja keh loug khn sy dekhty rahy k silver 77$ dollar ka hogya yada yada. I'm 19 yr old so plz don't judge