Day Questions

If a person is unaware that after urinating and wiping the penis with dry material he is still supposed to wash it with water, is it tahir? Does he have to repeat all prayers as qadha?

The urinary organ is still considered to be najis, but his previous prayers are not void if the person was unaware of the najasah on the body or the clothes. However, for future prayers he must make the part tahir with water.

Is it permissible to buy and sell shares of companies in the Canadian and US stock exchanges?

Yes, it is permissible; but it is not permissible to buy shares of companies that deal with prohibited matters like wine and pig and the like, if the buyer becomes a partner in owning such things.

If during the first day of the menstruation a woman has menstrual bleeding, and then no bleeding for two days, and the following day she sees the bleeding for two days again, is it necessary for her to observe the rules of menstruation during the clear days?

In this situation, the woman should have the ghusl of menstruation and she offer the prayers during the clean days. If she did not do so then she must offer the prayers as qadha. She should consider the periods of bleeding as menstruation, even if they were separated by clean periods.