The behaviour of a fictitious stock market index (comprising a weighted average of the market prices of a selected list of companies including some multinational corporations (MNC’s) over a 15 day period is shown in the graph. The behaviour of the MNC’s in the same period is also shown in the second graph. Which one of the following is a valid conclusion

The behaviour of a fictitious stock market index (comprising a weighted average of the market prices of a selected list of companies including some multinational corporations (MNC’s) over a 15 day period is shown in the graph. The behaviour of the MNC’s in the same period is also shown in the second graph. Which one of the following is a valid conclusion ?