The big problem with investing in your sector is too much specialization. I realized one day that investing large sums of money in my employer's stock is essen

The big problem with investing in your sector is too much specialization. I realized one day that investing large sums of money in my employer's stock is essentially putting all my eggs in one basket- both my investments & my paycheck depend on the same company. I extend that to my market sector, too. I avoid investing in my market sector now.