Suppose a stock analyst recommends buying stock in the following companies:
Company Industry
Toyonda Automotive
Saalvo Automotive
GMW Automotive
Honsubishi Automotive
Shexxon Oil and gas
Mobron Oil and gas
Airing Aircraft
Boebus Aircraft
Goohoo Technology
Pherk Pharmaceutical
Each of the following portfolios contains four of the stock picks. Which portfolio is the least diversified?
a.Boebus, Airing, Shexxon, Mobron.
b.Toyonda, Saalvo, GMW, Honsubishi.
c.Toyonda, Honsubishi, Boebus, Airing.
d. Pherk, Airing, Goohoo, Shexxon.